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 Issue dateTitleTopic
ML24018A01417 January 2024Engine Systems, Inc., Report No. 10CFR21-0137, Rev. 1, 56913-EN 56913
ML24010A21310 January 2024CFR 21.21 Final Report Regarding Siemens Medium Voltage Circuit Breakers
ML24018A0954 January 2024Engine Systems, Inc., 10CFR21 Reporting of Defects and Non-Compliance Report No. 10CFR21-0137, Rev. 0
ML24008A0694 January 2024Part 21 Report No. 10CFR21-0137, Rev. 0 for Reportable Notification for an Emo Cylinder Liner with Bore Deficiency, P/N 9318833 (Component of Power Assembly P/N 40124897), S/N 20M0938
ML24002A71128 December 2023Interim Part 21 Report of a Deviation or Failure to Comply - Lube Oil Scavenging and Fuel Oil Engine Driven Pump
ML23279A0615 October 2023Paragon Energy Solutions LLC, Part 21 Final Report Re Potential Defect with Eaton Jd and Hjd Series Molded Case Circuit Breakers (Mccbs)Commercial Grade Dedication
ML23060A0411 March 2023Part 21 Interim Report of a Deviation or Failure to Comply Associated with a Limitorque Actuator
ML23025A25325 January 2023Part 21 Final Report Regarding Siemens Medium Voltage Circuit Breakers
ML23024A02924 January 2023Part 21 Interim Report of a Deviation or Failure to Comply Associated with a Limitorque Actuator
ML21225A0814 August 2021Lake Engineering Co., Final Report Per 10 CFR Part 21 Degraded Snubber SF1154 Hydraulic Fluid Batch No. 17BLVS293
ML21014A2347 December 2020Fourth Interim Notification Per 10 CFR Part 21 Re Degraded Snubber SF1154 Hydraulic Fluid Batch No. 17BLVS293
ML20049A07511 February 2020C&D Technologies, Inc. -10 CFR Part 21 Evaluation Regarding Container Failure in KCR-07 Batteries
ML20042E25231 January 2020EN 54485 Target Rock Redacted Update to Part 21 Report on Defect of Modification of Valve Component and Main Disc Lift Misadjustment
ML20029D16121 January 202010 CFR Part 21 Report, Notification of a Defect Modification of a Valve Component and Main Disc Lift Misadjustment
ML20021A0453 January 2020Lake Engineering Co. - Interim Notification Per 10 CFR Part 21, Degraded Snubber SF1154 Hydraulic Fluid Batch No. 16DLVS852
ML19190A0447 June 201910 CFR Part 21 Reporting of Defects for Introl Positioner 890265-010 - Cw SAS Initial Report No. 10CFR21-48
ML19106A10612 April 2019Ametek Solidstate Controls - Notification of Potential Defect - 10 CFR Part 21
ML18087A00221 March 2018Crane Nuclear, Inc. - Final Report for 10 CFR Part 21 Investigation Report Notification of Xomox Plug Valve High Torsional Stress in StemCondition Adverse to Quality
ML18078A53631 January 2018Crane Nuclear, Inc. - Interim Report for 10 CFR Part 21 Investigation Report Notification of Xomox Plug Valve High Torsional Stress in Stem (Update)
ML17311A90931 October 2017Interim Report for Part 21 Investigation Report Notification of Xomox Plug Valve High Torsional Stress in Stem
ML17206A04014 July 2017Part 21 - Defective Safety Related Valves
ML17179A3787 June 2017TE Connectivity - Part 21 Transfer of Information TE-023
ML17114A07013 April 2017Part 21 Notification - Identified Fisher 546S Electro-Pneumatic Transducers Standard Mounting Brackets Failed Seismic Testing Standards
ML17081A45320 March 2017Part 21 - Plastic Jar Dedication Sampling
ML17026A41420 January 2017C&D Technologies, Inc. - Part 21 - Plastic Jar Dedication Sampling
ML16188A37430 June 2016Part 21 - Inadequate Swaging and Adherence of Silicone O-Ring and Silicone PAD Soft Seat Main Disc and Pilot Disc Assemblies
ML16154A20618 May 2016Part 21 Report - Defect in a Signal Converter Transformer
ML15254A2778 September 2015Part 21 Notification Re Westinghouse Corporation Deviation from Contract ServiceFuel cladding
ML15223B2646 August 2015Part 21 Report - Notification of Deviation Regarding Hk Circuit Breaker Pivot Pin
ML15103A2446 April 2015Part 21 Report - Deviation of Hk Circuit Breaker Close Latch SpringCommercial Grade Dedication
ML15099A0422 April 2015Notification of Part 21 Report - Potentially Defective Pressure & Temperature Switches
ML15099A0432 April 2015Amendment to Event Number 50299, 10 CFR Part 21 Notification, Potentially Defective Pressure & Temperature Switches
ML15049A4586 February 2015Thermo Gamma-Metrics, LLC - Part 21 Report Regarding Shutdown Margin Monitor Environmental Qualification NoncomplianceShutdown Margin
ML15022A65020 January 2015Letter from Steven R. Eisenberg USNRC 10CFR Part 21 Notification
ML14274A05222 September 2014Final Report 10CFR Part 21 Evaluation Regarding Misaligned Separators in LCR-25 Standby Batteries, Revision 1 - Original Letter Did Not Include the List of Affected Utilities
ML14213A09924 July 2014Notification of Part 21 Report - Potentially Defective Pressure & Temperature Switches
ML14126A5002 May 2014Part 21 Report Re Check Valves with Missing Jam NutsAnchor Darling
ML13165A34212 June 201360-Day Interim Report Involving an Evaluation of a Design Change to Magne-Blast Circuit Breakers
ML12348A13613 December 2012Part 21 60-Day Interim Report Notification: Adequacy of Design Change in Am Magne-Blast Circuit Breakers
ML12352A12313 December 201260-Day Interim Report Involving an Evaluation of a Design Change to Magne-Blast Circuit Breakers
ML12123A08927 April 2012Abb, Inc., Notification of Potential Part 21 Report - Hk Circuit Breaker Studs Failed to Meet Specification
ML12094A3712 April 2012Part 21 Report - Rosemount Pressure Transmitters with Nonzero Based Calibrations
ML12058A14123 February 2012Part 21 Report - Rosemount Nuclear Instruments, Inc., Pressure Transmitter with Nonzero Based Calibrations
ML10350017415 December 2010Notification of Potential Part 21 Re 60-Day Interim Report Notification: Failure to Include Seismic Input in Channel-Control Blade Interference Customer GuidanceSafe Shutdown Earthquake
Operating Basis Earthquake
Channel-control blade interference
ML10293050520 October 2010GE Hitachi Nuclear Energy - Notification of Potential Part 21 60-Day Interim Report: Crack Indications in Marathon Control Rod Blades
ML10153010828 May 2010Notification of Potential Part 21 Re Interim Report - Inability to Complete 10 CFR Part 21 Evaluation Regarding Post Corrosion for Dcu Batteries
ML10153056428 May 2010Part 21 Notification from C & D Technologies, Inc., Post Corrosion on Dcu Batteries
ML10092009325 March 201010 CFR21 Notification of a Potential Weld Defect
ML09076118811 March 2009Part 21 Notification - Defective Hk and K-Line Circuit Breaker Tension Springs
ML08239010625 August 2008Notification of Potential Part 21 on Failure of F and G SwitchesTest box